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ChemicalBook CAS DataBase List 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)CHLOROBENZENE
195062-61-4

4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)CHLOROBENZENE synthesis

11synthesis methods
-

Yield: 92%

Reaction Conditions:

with magnesium sulfate in diethyl ether at 20; for 16 h;Inert atmosphere;Schlenk technique;

Steps:

Synthesis of Pinacol Boronic Esters from Boronic Acids; General Procedure (GP1)
General procedure: A mixture of boronic acid (1.0 equiv), pinacol (1.0 equiv) and anhydrous MgSO4 (4.0 equiv) in Et2O (0.5 M) was stirred at r.t. for 16 h. The reaction mixture was filtered and the solvent removed in vacuo. The crude material was purified by distillation or flash column chromatography to give the pure boronic ester.

References:

Casoni, Giorgia;Myers, Eddie L.;Aggarwal, Varinder K. [Synthesis,2016,vol. 48,# 19,art. no. SS-2016-C0356-OP,p. 3241 - 3253]

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